Release 0.4.1

docs/release/release_notes.md

+## Release 0.4.1
+
+* Fix 'is not boolean' error on IPNs. `getIsTestMode()` was returning TRUE/FALSE but the API requires 1/0. 
+
 ## Release 0.4
 
 * Fix issue with non-default currency on form when you can choose from more than one payment processor on the form.

info.xml

@@ -13,8 +13,8 @@
     <url desc="Support">https://www.mjwconsult.co.uk</url>
     <url desc="Licensing">http://www.gnu.org/licenses/agpl-3.0.html</url>
   </urls>
-  <releaseDate>2019-09-16</releaseDate>
-  <version>0.4</version>
+  <releaseDate>2019-09-17</releaseDate>
+  <version>0.4.1</version>
   <develStage>stable</develStage>
   <compatibility>
     <ver>5.13</ver>